public DesiredPropertyUpdater(RegistryManager registryManager, ITwinTestResultHandler resultHandler, TwinTestState twinTestState)
{
this.registryManager = registryManager;
this.resultHandler = resultHandler;
this.twinTestState = twinTestState;
this.desiredPropertyUpdateCounter = twinTestState.DesiredPropertyUpdateCounter;
}
public DesiredPropertiesValidator(RegistryManager registryManager, ModuleClient moduleClient, TwinEventStorage storage, ITwinTestResultHandler resultHandler, TwinTestState twinTestState)
{
this.registryManager = registryManager;
this.moduleClient = moduleClient;
this.storage = storage;
this.resultHandler = resultHandler;
this.twinTestState = twinTestState;
}
bool SkipCallbackValidationDueToEdgeHubRestart(TwinTestState twinTestState, DateTime twinUpdateTime)
{
DateTime edgeHubRestartTolerancePeriodLowerBound =
twinTestState.EdgeHubLastStopped == DateTime.MinValue ? DateTime.MinValue : twinTestState.EdgeHubLastStopped.Add(-Settings.Current.EdgeHubRestartFailureTolerance);
DateTime edgeHubRestartTolerancePeriodUpperBound =
twinTestState.EdgeHubLastStarted == DateTime.MinValue ? DateTime.MinValue : twinTestState.EdgeHubLastStarted.Add(Settings.Current.EdgeHubRestartFailureTolerance);
return(edgeHubRestartTolerancePeriodLowerBound <= twinUpdateTime && twinUpdateTime <= edgeHubRestartTolerancePeriodUpperBound);
}
bool DoesExceedFailureThreshold(TwinTestState twinState, string reportedPropertyKey, DateTime reportedPropertyUpdatedAt)
{
DateTime comparisonPoint = reportedPropertyUpdatedAt > twinState.LastNetworkOffline ? reportedPropertyUpdatedAt : twinState.LastNetworkOffline;
bool exceedFailureThreshold = DateTime.UtcNow - comparisonPoint > Settings.Current.TwinUpdateFailureThreshold;
if (exceedFailureThreshold)
{
Logger.LogInformation(
$"Reported Property [{reportedPropertyKey}] exceed failure threshold: updated at={reportedPropertyUpdatedAt}, " +
$"last offline={twinState.LastNetworkOffline}, threshold={Settings.Current.TwinUpdateFailureThreshold}");
}
return(exceedFailureThreshold);
}
public static async Task <TwinAllOperationsInitializer> CreateAsync(RegistryManager registryManager, ModuleClient moduleClient, ITwinTestResultHandler resultHandler, TwinEventStorage storage)
{
try
{
TwinTestState initializedState;
Twin twin = await registryManager.GetTwinAsync(Settings.Current.DeviceId, Settings.Current.TargetModuleId);
Dictionary <string, DateTime> reportedPropertyUpdates = await storage.GetAllReportedPropertiesUpdatedAsync();
Dictionary <string, DateTime> desiredPropertyUpdates = await storage.GetAllDesiredPropertiesUpdatedAsync();
if (reportedPropertyUpdates.Count == 0 &&
desiredPropertyUpdates.Count == 0 &&
(await storage.GetAllDesiredPropertiesReceivedAsync()).Count == 0)
{
Logger.LogInformation("No existing storage detected. Initializing new module twin for fresh run.");
// reset desired properties
Twin desiredPropertyResetTwin = await registryManager.ReplaceTwinAsync(Settings.Current.DeviceId, Settings.Current.TargetModuleId, new Twin(), twin.ETag);
await TwinTesterUtil.ResetTwinReportedPropertiesAsync(moduleClient, desiredPropertyResetTwin);
await Task.Delay(TimeSpan.FromSeconds(10)); // give enough time for reported properties reset to reach cloud
twin = await registryManager.GetTwinAsync(Settings.Current.DeviceId, Settings.Current.TargetModuleId);
initializedState = new TwinTestState(twin.ETag);
}
else
{
Logger.LogInformation("Existing storage detected. Initializing reported / desired property update counters.");
initializedState = new TwinTestState(
GetNewPropertyCounter(reportedPropertyUpdates),
GetNewPropertyCounter(desiredPropertyUpdates),
twin.ETag,
DateTime.MinValue,
DateTime.MinValue,
DateTime.MinValue);
}
Logger.LogInformation($"Start state of module twin: {JsonConvert.SerializeObject(twin, Formatting.Indented)}");
return(new TwinAllOperationsInitializer(registryManager, moduleClient, resultHandler, storage, initializedState));
}
catch (Exception e)
{
throw new Exception($"Shutting down module. Initialization failure: {e}");
}
}
public static async Task <TwinCloudOperationsInitializer> CreateAsync(RegistryManager registryManager, ITwinTestResultHandler resultHandler)
{
try
{
TwinTestState initializedState;
Twin twin = await registryManager.GetTwinAsync(Settings.Current.DeviceId, Settings.Current.TargetModuleId);
initializedState = new TwinTestState(twin.ETag);
Logger.LogInformation($"Start state of module twin: {JsonConvert.SerializeObject(twin, Formatting.Indented)}");
return(new TwinCloudOperationsInitializer(registryManager, resultHandler, initializedState));
}
catch (Exception e)
{
throw new Exception($"Shutting down module. Initialization failure: {e}");
}
}
TwinAllOperationsInitializer(RegistryManager registryManager, ModuleClient moduleClient, ITwinTestResultHandler resultHandler, TwinEventStorage storage, TwinTestState twinTestState)
{
this.registryManager = registryManager;
this.twinTestState = twinTestState;
this.reportedPropertyUpdater = new ReportedPropertyUpdater(moduleClient, resultHandler, twinTestState.ReportedPropertyUpdateCounter);
this.desiredPropertyUpdater = new DesiredPropertyUpdater(registryManager, resultHandler, twinTestState);
this.desiredPropertyReceiver = new DesiredPropertyReceiver(moduleClient, resultHandler);
this.reportedPropertiesValidator = new ReportedPropertiesValidator(registryManager, moduleClient, storage, resultHandler, twinTestState);
this.desiredPropertiesValidator = new DesiredPropertiesValidator(registryManager, moduleClient, storage, resultHandler, twinTestState);
moduleClient.SetConnectionStatusChangesHandler((status, reason) =>
{
Logger.LogInformation($"Detected change in connection status:{Environment.NewLine}Changed Status: {status} Reason: {reason}");
if (status == ConnectionStatus.Disconnected_Retrying)
{
this.twinTestState.EdgeHubLastStopped = DateTime.UtcNow;
}
else if (status == ConnectionStatus.Connected)
{
this.twinTestState.EdgeHubLastStarted = DateTime.UtcNow;
}
});
}
bool ExceedFailureThreshold(TwinTestState twinTestState, DateTime twinUpdateTime)
{
DateTime comparisonPoint = twinUpdateTime > twinTestState.LastNetworkOffline ? twinUpdateTime : twinTestState.LastNetworkOffline;
return(DateTime.UtcNow - comparisonPoint > Settings.Current.TwinUpdateFailureThreshold);
}
TwinCloudOperationsInitializer(RegistryManager registryManager, ITwinTestResultHandler resultHandler, TwinTestState twinTestState)
{
this.desiredPropertyUpdater = new DesiredPropertyUpdater(registryManager, resultHandler, twinTestState);
}